Sensor Head: Long Distance, Wide beam LK-G157

LK-G157 - Sensor Head: Long Distance, Wide beam

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Specifications

Model		LK-G157
Reference distance		Diffused reflection: 150 mm 5.91", Specular reflection: 147.5 mm 5.81" (Specular reflection)
Measuring range		Diffused reflection: ±40 mm ±1.57", Specular reflection: ±39 mm ±1.54"^1^2
Light source	Type	Red semiconductor laser
	Wavelength	655 nm (visible light)
	Laser Class	Class II (FDA CDRH 21CFR PART1040.10)
	Output	0.95 mW
Spot diameter (at reference distance)		Approx. 120 x 1,700 µm 0.0047" x 0.0669"
Linearity		±0.05 % of F.S. (F.S.= ±40 mm ±1.57")^*3
Repeatability		0.5 µm 0.000020"^*4
Sampling frequency		20 / 50 / 100 / 200 / 500 / 1,000 µs (Selectable from 6 levels)
LED display		Near the center of the measurement: Green lights Within the measurement area: Orange lights Outside the measurement area: Orange flashing
Temperature characteristics		0.01 % of F.S./°C (F.S.= ±40 mm ±1.57")
Environmental resistance	Enclosure rating	IP67 (IEC60529)
	Ambient light	Incandescent lamp or Fluorescent lamp: 5,000 lux max.
	Ambient temperature	0 to +50 °C 32 to 122 °F
	Relative humidity	35 to 85 % RH (No condensation)
	Vibration resistance	10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions
Material		Aluminum die-cast
Weight		Approx. 290 g (including the cable)
^1 The range is obtained by measuring KEYENCE's standard target (ceramic). ^2 When the sampling rate is 20 µs, the range becomes -9 -0.35" (NEAR side) to -15 mm -0.59" (NEAR side) for Diffused reflection, and -8.7 -0.34" (NEAR side) to -14 mm -0.55" (NEAR side) for specular reflection. ^3 The range is obtained by measuring KEYENCE's standard target (ceramic) with the Standard mode. ^4 The range is obtained by measuring KEYENCE's standard (SUS) with 4,096 times of averaging at the reference distance.

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